Rear seat for vehicle

Abstract

An embodiment rear seat for a vehicle includes a center seat and side seats located on a left side and a right side of the center seat, respectively, wherein the center seat is configured to be movable forward and rearward with respect to the side seats, and when the center seat is moved forward, the center seat protrudes forward from the side seats.

What is claimed is: 
     
         1 . A rear seat for a vehicle, the rear seat comprising:
 a left side seat;   a right side seat; and   a center seat located between the left side seat and the right side seat,   wherein:
 the center seat is configured to be movable forward and rearward with respect to the left side seat and the right side seat so that when the center seat is moved forward, the center seat protrudes forward from the left side seat and the right side seat, 
 a back wire is coupled to a center seat back frame of the center seat to protrude rearward, 
 a first vehicle body bracket having a concave wire groove is fixed to a vehicle body facing the back wire, and 
 the center seat back frame is configured to be rotatable on the back wire inserted in the concave wire groove. 
   
     
     
         2 . The rear seat of  claim 1 , wherein:
 the center seat comprises the center seat back frame and a center seat cushion frame that are rotatably connected to each other by a first hinge, and   each of the left side seat and the right side seat comprises a side seat back frame and a side seat cushion frame that are rotatably connected to each other by a second hinge.   
     
     
         3 . The rear seat of  claim 1 , wherein the center seat comprises the center seat back frame and a center seat cushion frame that are rotatably connected to each other by a first hinge or a second hinge. 
     
     
         4 . The rear seat of  claim 1 , further comprising:
 cushion pins coupled to opposite side portions of a side seat cushion frame of each of the left side seat and the right side seat to protrude in opposite directions; and   second vehicle body brackets to be fixed to a vehicle body facing the cushion pins, each of the second vehicle body brackets having a concave pin inserting groove,   wherein:
 each of the concave pin inserting grooves comprises a plurality of position locking grooves in which a position of each of the cushion pins inserted in the concave pin inserting groove is locked, 
 the plurality of position locking grooves is arranged to be longitudinally spaced apart from each other, and 
 when each of the cushion pins moves forward and rearward so as to be inserted into each of the plurality of position locking grooves, the side seat cushion frame can move forward and rearward so that an angle of a side seat back frame is changed. 
   
     
     
         5 . The rear seat of  claim 4 , wherein, when the side seat cushion frame moves forward and rearward, the center seat is configured to move together with the side seat cushion frame. 
     
     
         6 . The rear seat of  claim 1 , wherein:
 the center seat comprises the center seat back frame and a center seat cushion frame that are rotatably connected to each other by a first hinge, and   a strap is coupled to the center seat cushion frame so that a cushion part of the center seat is configured to rotate upward by using the strap.   
     
     
         7 . The rear seat of  claim 1 , wherein:
 a center seat cushion frame of the center seat comprises a wire clip, and   a side seat cushion frame of each of the left side seat and the right side seat comprises a front wire and a rear wire that are longitudinally spaced apart from each other, the front wire and the rear wire being inserted into the wire clip.   
     
     
         8 . The rear seat of  claim 7 , wherein, when a cushion part of the center seat rotates upward, the front wire or the rear wire is configured to come out of the wire clip and escape therefrom. 
     
     
         9 . The rear seat of  claim 7 , wherein:
 the front wire and the rear wire are located below the wire clip, and   when the front wire is inserted into the wire clip, the center seat is configured to protrude by moving forward with respect to the left side seat and the right side seat.   
     
     
         10 . The rear seat of  claim 7 , wherein:
 the front wire and the rear wire are located below the wire clip, and   when the rear wire is inserted into the wire clip, the center seat is prevented from protruding forward with respect to the left side seat and the right side seat and is arranged on a same line as the left side seat and the right side seat.   
     
     
         11 . The rear seat of  claim 1 , wherein an arm rest is rotatably coupled to a back part of the center seat. 
     
     
         12 . A rear seat for a vehicle, the rear seat comprising:
 a center seat comprising a center seat back frame;   side seats located on a left side and a right side of the center seat, respectively, each of the side seats comprising a side seat back frame; and   a first link and a second link connecting the center seat back frame of the center seat to the side seat back frame of each of the side seats,   wherein:
 the center seat is configured to be movable forward and rearward with respect to the side seats, 
 when the center seat is moved forward, the center seat protrudes forward from the side seats, 
 the first link and the second link are arranged in parallel to each other and opposite ends of each of the first link and the second link are respectively connected to the center seat back frame and the side seat back frame in a rotatable hinge structure, 
 a lower end of the second link is rotatably coupled to the side seat back frame by a hinge; 
 a locking tooth is formed on an outer circumferential surface of the lower end of the second link; 
 a locking lever engaged with the locking tooth and a locking cam engaged with the locking lever are rotatably respectively coupled to the side seat back frame by a lever shaft and a cam shaft; and 
 the cam shaft is coupled to a cam bracket, so that the cam bracket, the cam shaft, and the locking cam are rotatable integrally. 
   
     
     
         13 . The rear seat of  claim 12 , further comprising:
 a lever bracket fixed to a side seat cushion frame of each of the side seats;   an operation lever rotatably coupled to the lever bracket;   a lever spring of which opposite ends are respectively supported by the lever bracket and the operation lever; and   a cable connecting the cam bracket to the operation lever.   
     
     
         14 . The rear seat of  claim 13 , wherein:
 the operation lever is located below a cushion part of the center seat, and   when the cushion part of the center seat descends:
 the operation lever is configured to be pressed by the cushion part, 
 the cable is configured to be relaxed, 
 the locking tooth, the locking lever, and the locking cam of the second link are configured to maintain locked states, and 
 the center seat back frame is configured to maintain a locked state in which rotation thereof is prevented with respect to the side seat back frame. 
   
     
     
         15 . The rear seat of  claim 13 , wherein:
 the operation lever is located below a cushion part of the center seat,   when the cushion part of the center seat rotates upward, the operation lever is configured to be released from pressing by the cushion part and to rotate by a spring force of the lever spring,   when the operation lever rotates, the cable is configured to be pulled, the cam bracket, the locking cam, and the locking lever are configured to rotate such that the locking lever, the second link, and the locking tooth are released from locking as the cable is pulled, and   when the locking lever, the second link, and the locking tooth are released from locking, the center seat is configured to be longitudinally movable with respect to the side seats.   
     
     
         16 . A vehicle comprising:
 a vehicle body; and   a rear seat mounted in an interior of the vehicle body,   wherein:
 the rear seat comprises a center seat and side seats located on a left side and a right side of the center seat, respectively, 
 the center seat comprises a center seat back frame and a center seat cushion frame and is configured to be movable forward and rearward with respect to the side seats so that, when the center seat is moved forward, the center seat protrudes forward from the side seats, 
 a back wire is coupled to the center seat back frame of the center seat to protrude rearward, 
 a first vehicle body bracket having a concave wire groove is fixed to the vehicle body facing the back wire, and 
 the center seat back frame is configured to be rotatable on the back wire inserted in the concave wire groove. 
   
     
     
         17 . The vehicle of  claim 16 , wherein:
 the center seat back frame and the center seat cushion frame are rotatably connected to each other by a first hinge; and   each of the side seats comprises a side seat back frame and a side seat cushion frame that are rotatably connected to each other by a second hinge.   
     
     
         18 . A rear seat for a vehicle, the rear seat comprising:
 a left side seat;   a right side seat; and   a center seat located between the left side seat and the right side seat,   wherein:
 the center seat is configured to be movable forward and rearward with respect to the left side seat and the right side seat so that when the center seat is moved forward, the center seat protrudes forward from the left side seat and the right side seat, 
 a center seat cushion frame of the center seat comprises a wire clip; and 
 a side seat cushion frame of each of the left side seat and the right side seat comprises a front wire and a rear wire that are longitudinally spaced apart from each other, the front wire and the rear wire being inserted into the wire clip.